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Optimizing Apache Spark for Large-Scale Data Processing: Techniques, Tuning, and Best Practices
Modern E-commerce systems generate massive volumes of data, orders, customers, payments, shipments, returns, browsing analytics. A production data lake must process this data efficiently and reliably on Databricks. This guide explains every important PySpark optimization technique, with clear reasoning, when to use, when NOT to use, and Databricks-specific best practices.